lights AUDI A6 1998 C5 / 2.G ATQ Engine Motronic Injection System Servicing Workshop Manual
Page 47 of 78
24-39
- Repair open circuit if necessary.
If LED lights up:
Checking activation
Test requirement:
Internal resistance of valve OK
Note:
Voltage testers do not go out completely during low current pick-up
between activations by the ECM, but rather continue to glow a little and
then get slightly brighter during activation. - Slide back rubber grommet of fuel injector connector (arrow), but leave
connector connected.
- Connect VAG1527B voltage tester between sockets 2 (signal) and 1
(B+).
- Operate starter briefly (engine can also start).
LED must blink.
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